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driver core: location: Check for allocations failure

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Check whether the kzalloc() succeeds and return false if it fails.

Fixes: 6423d29510 ("driver core: Add sysfs support for physical location of a device")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YnOn28OFBHHd5bQb@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2022-05-05 13:32:59 +03:00 • committed by Greg Kroah-Hartman
parent c3d438eeb5
commit bc443c31de
1 changed files with 2 additions and 0 deletions
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2
drivers/base/physical_location.c
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@ -24,6 +24,8 @@ bool dev_add_physical_location(struct device *dev)
dev->physical_location = dev->physical_location =
kzalloc(sizeof(*dev->physical_location), GFP_KERNEL); kzalloc(sizeof(*dev->physical_location), GFP_KERNEL);
if (!dev->physical_location)
return false;
dev->physical_location->panel = pld->panel; dev->physical_location->panel = pld->panel;
dev->physical_location->vertical_position = pld->vertical_position; dev->physical_location->vertical_position = pld->vertical_position;
dev->physical_location->horizontal_position = pld->horizontal_position; dev->physical_location->horizontal_position = pld->horizontal_position;